<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=514127
-->
<head>
  <title>Test for Bug 514127</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body onload="runTest();">
<p><a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=514127">Mozilla Bug 514127</a></p>

<!--
iframe source is
<html><body style='background: rgb(0,0,255); width: 100px; height: 50100px;'></body></html>
-->
<iframe id="source" width="50" height="50"
       src="data:text/html,%3Chtml%3E%3Cbody%20style%3D%27background%3A%20rgb%280%2C0%2C255%29%3B%20width%3A%20100px%3B%20height%3A%2050100px%3B%27%3E%3C%2Fbody%3E%3C%2Fhtml%3E"></iframe>

<pre id="test">
<script type="application/javascript">

/** Test for Bug 514127 **/

SimpleTest.waitForExplicitFinish();

function runTest() {
  
  var source = document.getElementById('source').contentWindow;
  var canvasWidth = 50;
  var canvasHeight = 50;

  rect = { left: 25, top: 50000,
           width: canvasWidth, height: canvasHeight };
  var canvas = SpecialPowers.snapshotRect(source, rect, "transparent");
  var context = canvas.getContext("2d");
  
  var data = context.getImageData(0, 0, canvasWidth, canvasHeight).data;
  var failed = false;
  for (var i = 0; i < data.length; i+=4) {
    if (data[i] != 0 || data[i+1] != 0 || data[i+2] != 255 || data[i+3] != 255) {
      failed = true;
      break;
    }
  }
  ok(!failed, "all pixels blue");
  
  SimpleTest.finish();
}

</script>
</pre>
</body>
</html>
